HTTP Header Inspector - Response Headers & Status Checker
By Devity
View HTTP headers, status codes, CORS & security headers without DevTools. Debug API, XHR/fetch requests instantly.
Time on the storeAbout 1 to 3 yearsA rough range, not an exact date
Store users216As shown on the Chrome Web Store
Chrome Web Store rating4.0 / 51 rating on the Chrome Web Store
Last store update12 Aug 2026Version 1.1.0, 56 days ago
Inside the extension
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The maker
Devity has 6 listings on the store. Updates most of their listings often.
- Listings
- 6
- Combined store users
- ≈295
- Store Featured
- 0
- Updated in the last 90 days
- 3 of 6
- Text Encoder Pro - Base64, URL, Hex Encoding Tool62 users · updated 5 months ago
- Dev Color Guide Extension8 users · updated 5 months ago
- Data Scraper - Extract & Copy3 users · updated 5 months ago
- Focus Feed - Hide Distractions3 users · updated 54 days ago
Combined users can count the same person more than once. See all 6 listings
Ext Watch AI
Should you build in this niche?
One research report for HTTP Header Inspector - Response Headers & Status Checker. Reports come with Plus, Pro and Max.
- Takeaway & demandCited takeaway and search volumes
- Traffic & domainPopularity rank, visits and authority
- Money & pricingPlans and prices from the maker’s site
- ReviewsComplaints and praise, quoted
- Competitors & ranksRank against the closest listings
- Build opportunityWhat to build and how to position it
- Every number shows its source and date
- Ready in a minute or two
- Report and PDF yours for 30 days
